OKTA vs. ATRA

Last updated Jun 13, 2026

OKTA (Okta, Inc.) and ATRA (Atara Biotherapeutics, Inc.) are both stocks. OKTA operates in Software - Infrastructure (Technology), while ATRA operates in Biotechnology (Healthcare). Over the past 5 years, OKTA returned -12.47%/yr vs -50.77%/yr for ATRA. At a 0.27 correlation, their price movements are largely independent.

Performance

OKTA vs. ATRA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Okta, Inc. (OKTA) and Atara Biotherapeutics, Inc. (ATRA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OKTA achieves a 34.49% return, which is significantly higher than ATRA's -42.45% return.

OKTA

• 1D: -1.03%
• 1M: 48.71%
• YTD: 34.49%
• 6M: 28.95%
• 1Y: 16.08%
• 3Y*: 15.20%
• 5Y*: -12.47%
• 10Y*: —

ATRA

• 1D: -0.48%
• 1M: -0.67%
• YTD: -42.45%
• 6M: -42.15%
• 1Y: 19.52%
• 3Y*: -42.05%
• 5Y*: -50.77%
• 10Y*: -31.94%

*Multi-year figures are annualized to reflect compound growth (CAGR)

OKTA vs. ATRA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OKTA Okta, Inc.	34.49%	9.73%	-12.96%	32.49%	-69.52%	-11.83%	120.39%	80.83%	149.12%	7.83%
ATRA Atara Biotherapeutics, Inc.	-42.45%	35.91%	3.82%	-84.37%	-79.19%	-19.71%	19.19%	-52.59%	91.93%	-2.16%

Correlation

The correlation between OKTA and ATRA is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.09
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.26
Correlation (All Time) Calculated using the full available price history since Apr 7, 2017	0.27

The correlation between OKTA and ATRA shifts across timeframes, from 0.09 (1 year) to 0.27 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap OKTA : $20.66B ATRA : $146.58M
EPS OKTA : $0.96 ATRA : -$0.72
PS Ratio OKTA : 9.36 ATRA : 6.06
Total Revenue (TTM) OKTA : $2.23B ATRA : $22.62M
Gross Profit (TTM) OKTA : $1.73B ATRA : $21.73M
EBITDA (TTM) OKTA : $235.06M ATRA : -$6.92M

Return for Risk

OKTA vs. ATRA — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

OKTA

OKTA Risk / Return Rank: 54
OKTA Sharpe Ratio Rank: 53
OKTA Sortino Ratio Rank: 54
OKTA Omega Ratio Rank: 53
OKTA Calmar Ratio Rank: 53
OKTA Martin Ratio Rank: 55

ATRA

ATRA Risk / Return Rank: 56
ATRA Sharpe Ratio Rank: 47
ATRA Sortino Ratio Rank: 65
ATRA Omega Ratio Rank: 70
ATRA Calmar Ratio Rank: 49
ATRA Martin Ratio Rank: 48

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

OKTA vs. ATRA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Okta, Inc. (OKTA) and Atara Biotherapeutics, Inc. (ATRA). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	OKTA	ATRA	Difference
Sharpe ratio: Return per unit of total volatility	0.30	0.14	+0.16
Sortino ratio: Return per unit of downside risk	0.90	1.38	-0.48
Omega ratio: Gain probability vs. loss probability	1.11	1.22	-0.10
Calmar ratio: Return relative to maximum drawdown	0.43	0.25	+0.17
Martin ratio: Return relative to average drawdown	1.02	0.44	+0.58

OKTA vs. ATRA - Sharpe Ratio Comparison

The current OKTA Sharpe Ratio is 0.30, which is higher than the ATRA Sharpe Ratio of 0.14. The chart below compares the historical Sharpe Ratios of OKTA and ATRA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

OKTA vs. ATRA - Drawdown Comparison

The maximum OKTA drawdown since its inception was -84.57%, smaller than the maximum ATRA drawdown of -99.74%. Use the drawdown chart below to compare losses from any high point for OKTA and ATRA.

Drawdown Indicators

	OKTA	ATRA	Difference
Max Drawdown Largest peak-to-trough decline	-84.57%	-99.74%	+15.17%
Max Drawdown (1Y) Largest decline over 1 year	-37.75%	-76.89%	+39.14%
Max Drawdown (3Y) Largest decline over 3 years	-50.57%	-92.76%	+42.19%
Max Drawdown (5Y) Largest decline over 5 years	-83.43%	-99.16%	+15.73%
Max Drawdown (10Y) Largest decline over 10 years	—	-99.68%	—
Current Drawdown Current decline from peak	-60.14%	-99.35%	+39.21%
Average Drawdown Average peak-to-trough decline	-38.27%	-74.03%	+35.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.82%	44.08%	-28.26%

Volatility

OKTA vs. ATRA - Volatility Comparison

Okta, Inc. (OKTA) has a higher volatility of 32.92% compared to Atara Biotherapeutics, Inc. (ATRA) at 21.61%. This indicates that OKTA's price experiences larger fluctuations and is considered to be riskier than ATRA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OKTA	ATRA	Difference
Volatility (1M) Calculated over the trailing 1-month period	32.92%	21.61%	+11.31%
Volatility (6M) Calculated over the trailing 6-month period	48.12%	131.62%	-83.50%
Volatility (1Y) Calculated over the trailing 1-year period	54.65%	143.90%	-89.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	57.50%	121.99%	-64.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	53.99%	100.19%	-46.20%

Dividends

OKTA vs. ATRA - Dividend Comparison

Neither OKTA nor ATRA has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both OKTA and ATRA in my portfolio?

OKTA and ATRA have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OKTA or ATRA?

OKTA has higher volatility (32.92%) compared to ATRA (21.61%). In terms of maximum drawdown, OKTA dropped -84.57% vs ATRA's -99.74%.

Which has better risk-adjusted returns?

OKTA currently has the higher Sharpe Ratio (0.30 vs 0.14), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.